PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90-346Box,fire Detection

L3 Technologies, Inc. · NSN 5975-01-552-4064 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-01-552-4064 — this item is cataloged by the U.S. Government under National Stock Number 5975-01-552-4064. Primary manufacturer part number: 90-346.
Features
  • Box,fire Detection — FSC 5975
  • 1 verified cross-reference
  • Primary manufacturer: L3 Technologies, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Box,fire Detection, cataloged under National Stock Number 5975-01-552-4064, is classified within Federal Supply Class 5975 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3 Technologies, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5975-01-552-4064
Primary Part Number90-346
Item NameBox,fire Detection
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerL3 Technologies, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-100-31153982 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5945-00-191-5102 INTERCHANGEABLE
Relay,electrical
Cross-Reference Index
Part NumberManufacturer
90-346 PRIMARY L3 Technologies, Inc. (USA)
Related Parts
3110-00-100-3115INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3982
5945-00-191-5102INTERCHANGEABLE
RELAY,ELECTRICAL

Frequently Asked Questions

What is NSN 5975-01-552-4064?

NSN 5975-01-552-4064 is a Box,fire Detection, manufactured by L3 Technologies, Inc., classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-01-552-4064?

NSN 5975-01-552-4064 has 1 cross-referenced part number: 90-346 (L3 Technologies, Inc.).

What NSN replaces 5975-01-552-4064?

There are 2 known substitutes for 5975-01-552-4064: 3110-00-100-3115, 5945-00-191-5102. Verify interchangeability with system specifications before substitution.

What are the specifications of 90-346?

Key specifications for 90-346: Overall Width: 14.620 INCHES NOMINAL IN; End Item Identification: ASTUTE CLASS SUBMARINE; Overall Length: 19.250 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: FIRE DETECTION TROT BOX ASSY. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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